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Building Material Ignitability Test Apparatus-- Single-Flame Source

Description&colon;Ignitability test&comma; also called single-flame source test&period;Test apparatus corresponds to standard EN ISO 11925-2&period; Test results of the building structure can be classified according to standard 13501-1&period;The dimensions of the test specimens shall be &lpar;250 &rpar; mm long by &lpar;90 &rpar; mm wide&period;45°-tilted burner is advanced horizontally until the flame &lpar;length 20 mm&rpar; reaches the pre-set contact point with the test specimen&period; Tests may need to be conducted to either surface exposure or edge exposure&comma; or both&period; The flame application time is 15 or 30 seconds as required by sponsor&period;During the test following is recorded&colon; whether ignition occurs&semi; whether the flame tip reaches 150 mm above the flame application point&comma; and the time at which this occurs&semi; whether ignition of the filter paper occurs&semi; observations of physical behavior of the test specimen&period;

Specifications&colon;This apparatus made up of two parts&colon; burning chamber and control device&period;Power supply&colon; AC220V±10&percnt;&comma;50Hz&semi;Burner&colon; diameter 0&period;17mm burner with regulator&semi; four ¢4mm air suction inlet&semi;Gas source&colon;>95&percnt; propane gas&semi;&lpar;user should provide for themselves&rpar;Gas pressure&colon;10kpa~50kpaFlue air velocity&colon;0&period;7m&sol;s only on condition of burner burning and draught hood open&comma;Time adjustment of continuous flame&colon; 0 ~ 99minutes99secondsTime adjustment of afterflame&colon; 0 ~ 99minutes99secondsTimer accuracy&colon;≤1s&sol;hAnemometer accuracy&colon;±0&period;1m&sol;s&period;Burner angle&colon; 45°Material&colon; stainless steelObserving window&colon; two big viewing windows on the front and right side

Whole set&colon; control device&comma; burning chamber&comma;burner&comma;magnetic valve&comma;flame lighter&comma; signal control line and specimen holder&period;Equipped with a digital anemometer&sol;thermometer and a stopwatch for simple but accurate measurement of the flow&comma; temperature and time&period;